forked from OSchip/llvm-project
62 lines
1.3 KiB
Plaintext
62 lines
1.3 KiB
Plaintext
Test binaries created with the following commands:
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$ cat container.cpp
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#include "container.h"
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#include <stdlib.h>
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struct Container_ivars {
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// real definition here
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};
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ContainerPtr allocateContainer() {
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Container *c = (Container *)malloc(sizeof(Container));
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c->ivars = (Container_ivars *)malloc(sizeof(Container_ivars));
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return c;
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}
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extern void doSomething(ContainerPtr);
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int main() {
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ContainerPtr c = allocateContainer();
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doSomething(c);
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return 0;
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}
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$ cat container.h
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struct Container_ivars;
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struct Container {
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union {
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struct Container_ivars *ivars;
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};
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};
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typedef Container *ContainerPtr;
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$ cat use.cpp
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#include "container.h"
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void doSomething(ContainerPtr c) {}
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$ clang++ -O0 -g container.cpp -c -o container.o
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$ clang++ -O0 -g use.cpp -c -o use.o
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$ clang++ use.o container.o -o a.out
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Note that the link order in the last command matters for this test.
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RUN: dsymutil -oso-prepend-path %p/../Inputs %p/../Inputs/private/tmp/union/a.out -o %t.dSYM
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RUN: llvm-dwarfdump %t.dSYM | FileCheck %s
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CHECK: DW_TAG_compile_unit
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CHECK: DW_AT_name ("Container_ivars")
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CHECK-NEXT: DW_AT_declaration (true)
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CHECK: DW_TAG_compile_unit
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CHECK: DW_AT_name ("Container_ivars")
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CHECK-NEXT: DW_AT_byte_size (0x01)
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CHECK-NEXT: DW_AT_decl_file ("{{.*}}container.cpp")
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CHECK-NEXT: DW_AT_decl_line (4)
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